2D Array In NetBeans GUI

Aug 9, 2014

I am trying to create a program in NetBeans GUI builder and I am having trouble creating the 2D array. Here is what I have come up with so far:

private void enterButtonActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
double time = 0;
try{
time = Double.parseDouble(timeText.getText());

[Code] ....

Right now it is printing what i need but I need to separate columns, not rows.

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Currently the while near the end is not working in netbeans. It is saying illegal start of type. This whole section was working before when it was within the public static void method. I moved it to a separate class to try and clear up a, static variable problem. My question is can i fix it to keep it structured this way. Or do I have to put it back into the main method and try to work out the static variable problem a different way.

public class InventoryProgram {
double[] dvdprice; // defines variables
int[] dvdnum;
int[] dvdstock;
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[code]....

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Jan 21, 2014

I'm working on a University project creating a simple game using Netbeans but I'm totally stuck. I've created a number of classes to perform various methods, such as throwing back formatted text but I can't get them to work from within a Swing GUI created in Netbeans.

The Main method simply creates an instance of another class called Game which then itself creates instances of a number of other classes (textEngine, timer) and also a Swing GUI Class. The GUI appears on screen ok and I've been able to get methods working inside the GUI such as changing pictures and text when clicking a button. But I CANT get the GUI class to recognise the instances of the other classes or access their methods. I've created an instance of the TextEngine class called tEng. So I type this code in the GUI class:

textField.setText(tEng.getPhrase(2));

getPhrase() returns a String based on the number passed in the argument. But Netbeans reports an error that tEng is not recognised as a symbol despit it being a member of the same package. Creating the instance of the class within the GUI class likewise fails:

TextEngine tEng = new TextEngine();

Again the class is not recognised.

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May 5, 2014

I'm trying to create a JAR in NetBeans, but I get messages.:

C: Users Administrator Desktop Project nbproject build-impl.xml: 993: The Following error occurred while executing this line:

C: Users Administrator Desktop Project nbproject build-impl.xml: 837: copylibs does not support the "excludeFromCopy" attribute

NetBeans does not generate the. JAR because disses errors.

My specs

Version of OS = Windows 7 64 Bit
Java version = 1.7.0_55
Netbeans version = 7.0.1

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Oct 18, 2014

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import java.awt.event.ActionEvent;
import javax.swing.SwingUtilities;
public class StopWatchNew extends javax.swing.JFrame {
/**
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*/
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[Code] ....

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I want to connect netbeans to netlogo. I have a class: NetLogoConnection I want to call the class when I click on OK btn in my GUI. The codes are as following:

XML Code: import org.nlogo.app.App;
public class NetLogoConnection {
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[code]....

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May 12, 2014

I'm trying to create a GUI interface in Netbeans that calculates a phone bill.

I created a GUI interface that input:
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- 2 JRadioButtoms so the user can chose the regular or premium service.
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And I need to output:
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I have a couple of math formulas I have to add them to output the above however I'm new to java so I don't know which code to use.

The math formulas are:
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Feb 11, 2014

I'm doing in this small piece of code -

JavaApplication3.java

package javaapplication3;
public class JavaApplication3 {
public class robot {
int xlocation;
int ylocation;
String name;
static int ccount = 0;

[Code] .....

When I'm trying to compile it with netbeans i get these errors and i just can't figure why is that!

C:UsersuserDocumentsNetBeansProjectsJavaApplication3srcjavaapplication3JavaApplication3.java:16: error: Illegal static declaration in inner class JavaApplication3.robot
static int ccount = 0;
modifier 'static' is only allowed in constant variable declarations

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Jan 9, 2014

my IDE doesn't seem to recognize that my program is a Swing app.I get the following error message when I run the app: "jtabledemo.JTableDemo class wasn't found in JTableDemo project."It compiles successfully though.Here is the code verbatim:

package jtableDemo;
// Demonstrate JTable.
import java.awt.*;
import javax.swing.*;
/*
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[code]....

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Mar 3, 2014

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Are ActionPerformed and ActionListener the same?

or...

where is ActionListener on GUI Netbeans? Do I need to manualy write the ActionListener part?

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Feb 13, 2014

I'm just a java beginner. I've spent a lot of time installing and configuring software. I'm using Netbeans 7.3 on Windows 7, 64 bit. Recently, I downloaded opencsv from sourceforge.

With no previous experience adding libraries, I read a blog post on adding the library. I think that I then:

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Gave the temporary path to the .jar file

After, I read the blog post again, and realized I'd missed it. This time I did:

Right click library, Add library, Create library

However, I kept getting a message that the same library already existed. If I do the first process above, I will find the same library.

However, I see no way in Netbeans to remove it. I've deleted the test projects. And started a new one. But the library now exists for all projects it seems.

I've grepped all the files under the Netbean directory, searching for "opencsv", but found nothing. The only things in the Windows registry were locations of files.

How can I delete this library permanently from Netbeans? Short of, uninstall, then reinstall? Is there a way to list all the libraries that Netbeans has?

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Apr 20, 2014

I have dragged and dropped a jTextArea from netbeans palette onto my form. But when I right clicked for Event > action > actionPerformed for implementation, I realized such was not there, unlike the jTextField component. For example, I have tried this but it didn't work:

//{
Import java.swing.*;
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Aug 17, 2014

I make a coding a subject system for my internship project, I use JComboBox to choose name of faculty. I want to call selected item of faculty from another class to choose subject under the selected faculty.

How can I call selected item from another class?

This is my coding for select faculty.

public class lectInterface(){
private void saveDataActionPerformed(java.awt.event.ActionEvent evt) {
String staff_id=staffID.getText();
int staff_Id=Integer.parseInt(staff_id);
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[Code] ....

and below is coding for another class

try{
LectInterface lI = new LectInterface();
String host = "jdbc:derby://localhost:1527/STUDLECDB";
String uName = "studlecdb";
String uPass = "studlecdb";
Connection con = DriverManager.getConnection( host, uName, uPass );

[code]....

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May 14, 2015

I am trying to create an application in java with jframe form and i am also running certain code in for loop. Here is the trick. I want to stop the operation in the middle of for loop by click a button and start it again by click another button if we want.

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Mar 9, 2015

Create a Java Application in NetBeans with the following two classes.

1. A Java class College
o Use the following data fields:
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College City
Number of Tracks
Number of Students
Number of Faculty
Number of Staff
o Implement an empty constructor
o Implement a full constructor
o Implement Setters and Getters (Mutators and Accessors)
o Implement SetAll() method with all data members as parameters

2. Another Java class called CollegeDemo with the main() method:
o In the main():
o Read the values of the fields of 3 colleges from a text file and for
each create a College object.
Filename: colleges.txt
IT Dubai 7 200 50 20
ENG Abudhabi 4 400 60 20
SCIENCE Sharjah 3 300 40 20
 First with empty constructor then uses setters.
 Second with full constructor (no need to use setters).
 Last one with empty constructor and SetAll() setter.
o Display the average number of students for all the 3 colleges.
o Change the value of ‘Number of Students’ in the SCIENCE College to
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here my code :

public class Demo {
private String name ;
private String city;
private String cname ;
 
[code]....

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Jan 28, 2014

I have a image package consisting of images and they are displayed in a jlabel.I used the code below for that

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Image im=new ImageIcon(this.getClass()
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ImageIcon iconLogo = new ImageIcon(im);
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I would like a small box to be able to enter a contacts information and I started with building it thru netbeans. Now I am thinking I should start from scratch so I understand everything. What should I do? I am having trouble making the buttons at the bottom work. All I would like to be able to do is setFrameVisible(false); but I can't seem to be able to do that without loosing the whole project not just the frame I am working on.

The buttons I am referencing are the Cancel & Accept

public class pa4GUI extends javax.swing.JFrame
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String ph;
String ln;
String fn;
String em;
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[code]....

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Nov 30, 2014

I am having issue with jmenu popup in netbeans. It only sometimes works. Sometimes I don't get a java popup at all. Sometimes my File and Edit options are completely missing. This is what my code looks like.

import javax.swing.*;
public class menu {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
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[Code] .....

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